Except for varying brilliance, all sources of stellar light look much the same to the naked eye. But seen through the subtle, prying instruments of modern astronomy, those distant points of light ...

Astronomer Willem J. Luyten of the University of Minnesota is the world's leading small-star fancier. Last week he was beaming over the smallest star yet discovered: a "white dwarf," 25 ...

“This means testing the theory of degenerate matter (a gas so super-compressed under gravity that it behaves more like solid matter) under the extreme conditions inside this dead star. ...